Law of Superposition Review

Front

What is the fossil record?

Back

The fossil record is a historical archive of life on Earth, providing evidence of past organisms and their evolution.

Tags

NGSS.MS-LS4-1

Front

What does the law of superposition state?

Back

The law of superposition states that in undisturbed rock layers, the oldest layers are at the bottom and the youngest layers are at the top.

Tags

NGSS.MS-ESS1-4

Front

What is relative age?

Back

Relative age is the age of a rock or fossil in comparison to other rocks or fossils, not an exact number.

Front

What is an example of a very old organism?

Back

A trilobite is one of the oldest organisms discovered, dating back hundreds of millions of years.

Tags

NGSS.MS-LS4-1

Front

Which rock layer is the newest: Kaibab formation, Zoraster Granite, Redwall limestone, or Unkar group?

Back

The Kaibab formation is the newest rock layer among these options.

Tags

NGSS.MS-ESS1-4

Front

How do scientists use the fossil record?

Back

Scientists use the fossil record to study the history of life, understand evolution, and identify common ancestors.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What is the significance of the law of superposition in geology?

Back

The law of superposition helps geologists determine the relative ages of rock layers and the fossils within them.

Tags

NGSS.MS-ESS1-4

Front

What is an example of a common ancestor?

Back

A common ancestor is an early species from which multiple species have evolved, such as the early vertebrates.

Tags

NGSS.MS-LS4-2

Front

What is the order of rock layers from youngest to oldest: 1, 2, 3, 4, 5?

Back

The correct order from youngest to oldest is 1, 2, 3, 4, 5.

Tags

NGSS.MS-ESS1-4

Front

What type of fossil is a cast and mold fossil?

Back

A cast and mold fossil is a type of fossil that forms when an organism leaves an impression in sediment, which later hardens.

Tags

NGSS.MS-LS4-1